diff --git a/README.md b/README.md
index f4d1a53a..cb089a27 100644
--- a/README.md
+++ b/README.md
@@ -383,7 +383,7 @@ you may refer to the man pages of the applications, respectively.
 
        -k <password>              Password of your remote server.
 
-       -m <encrypt_method>        Encrypt method: rc4-md5, 
+       -m <encrypt_method>        Encrypt method: rc4-md5,
                                   aes-128-gcm, aes-192-gcm, aes-256-gcm,
                                   aes-128-cfb, aes-192-cfb, aes-256-cfb,
                                   aes-128-ctr, aes-192-ctr, aes-256-ctr,
@@ -395,13 +395,13 @@ you may refer to the man pages of the applications, respectively.
                                   The default cipher is chacha20-ietf-poly1305.
 
        [-a <user>]                Run as another user.
-       
+
        [-f <pid_file>]            The file path to store pid.
 
        [-t <timeout>]             Socket timeout in seconds.
 
        [-c <config_file>]         The path to config file.
-       
+
        [-n <number>]              Max number of open files.
 
        [-i <interface>]           Network interface to bind.
@@ -423,32 +423,35 @@ you may refer to the man pages of the applications, respectively.
 
        [-d <addr>]                Name servers for internal DNS resolver.
                                   (only available in server mode)
-       
+
        [--reuse-port]             Enable port reuse.
-       
+
        [--fast-open]              Enable TCP fast open.
                                   with Linux kernel > 3.7.0.
                                   (only available in local and server mode)
-  
+
        [--acl <acl_file>]         Path to ACL (Access Control List).
                                   (only available in local and server mode)
-       
+
        [--manager-address <addr>] UNIX domain socket address.
                                   (only available in server and manager mode)
 
        [--mtu <MTU>]              MTU of your network interface.
-       
+
        [--mptcp]                  Enable Multipath TCP on MPTCP Kernel.
-       
+
        [--no-delay]               Enable TCP_NODELAY.
 
        [--executable <path>]      Path to the executable of ss-server.
                                   (only available in manager mode)
-       
+
+       [-D <path>]                Path to the working directory of ss-manager.
+                                  (only available in manager mode)
+
        [--key <key_in_base64>]    Key of your remote server.
-       
+
        [--plugin <name>]          Enable SIP003 plugin. (Experimental)
-       
+
        [--plugin-opts <options>]  Set SIP003 plugin options. (Experimental)
 
        [-v]                       Verbose mode.
diff --git a/doc/ss-manager.asciidoc b/doc/ss-manager.asciidoc
index 195ca8b2..189dfa6b 100644
--- a/doc/ss-manager.asciidoc
+++ b/doc/ss-manager.asciidoc
@@ -12,7 +12,7 @@ SYNOPSIS
  [-s <server_host>] [-p <server_port>] [-l <local_port>]
  [-k <password>] [-m <encrypt_method>] [-f <pid_file>]
  [-t <timeout>] [-c <config_file>] [-i <interface>]
- [-b <local_addr>] [-a <user_name>]
+ [-b <local_addr>] [-a <user_name>] [-D <path>]
  [--manager-address <path_to_unix_domain>]
  [--executable <path_to_server_executable>]
  [--fast-open] [--reuse-port]
@@ -116,6 +116,11 @@ Specify the executable path of ss-server.
 +
 Only available in manager mode.
 
+--executable <path_to_server_executable>::
+Specify the working directory of ss-manager.
++
+Only available in manager mode.
+
 --plugin <plugin_name>::
 Enable SIP003 plugin. (Experimental)
 
@@ -148,7 +153,7 @@ The format of the traffic statistics: ::::
  stat: {"8001":11370}
 
 There is no way to reset the traffic statistics, unless you remove the port and add it again
- 
+
 EXAMPLE
 -------
 To use `ss-manager`(1), First start it and specify necessary information.
@@ -178,4 +183,3 @@ SEE ALSO
 `shadowsocks-libev`(8),
 `iptables`(8),
 /etc/shadowsocks-libev/config.json
-
diff --git a/src/manager.c b/src/manager.c
index 0caf9d9b..757b7c4c 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -1161,7 +1161,7 @@ main(int argc, char **argv)
         if (strstr(homedir, "nologin") || strstr(homedir, "nonexistent") || homedir == NULL || strlen(homedir) == 0) {
             homedir = "/tmp";
         }
-        LOGI("File path changed to %s", homedir);
+        LOGI("working directory points to %s", homedir);
     }
     working_dir_size = strlen(homedir) + 15;
     working_dir      = ss_malloc(working_dir_size);
diff --git a/src/utils.c b/src/utils.c
index 16d00861..e2214e96 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -388,6 +388,8 @@ usage()
 #ifdef MODULE_MANAGER
     printf(
         "       [--executable <path>]      Path to the executable of ss-server.\n");
+    printf(
+        "       [-D <path>]                Path to the working directory of ss-manager.\n");
 #endif
     printf(
         "       [--mtu <MTU>]              MTU of your network interface.\n");